Geologic and hydrologic aspects of tunneling in the Twin Cities area, Minnesota /

Bibliographic Details
Corporate Authors:	Minnesota Geological Survey, Geological Survey (U.S.)
Other Authors:	Norvitch, R. F. (Ralph F.), Walton, Matt S.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1979.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1157.
Subjects:	Geology > Minnesota > Twin Cities Metropolitan Area > Maps. Engineering geology > Minnesota > Twin Cities Metropolitan Area > Maps. Tunnels > Minnesota > Twin Cities Metropolitan Area > Maps.

Description
Item Description:	Relief shown by contours and spot heights. "Base from U.S. Geological Survey, Minneapolis North, Minneapolis South, New Brighton, St. Paul East and St. Paul West 1:24,000, 1967, photorevision as of 1972." Includes text, tabl, locatin map, and charts. Errata sheet inserted. Cartographic material.
Physical Description:	10 maps on 7 sheets : color ; 45 x 92 cm. (or 23 x 46 cm.), on sheets 93 x 112 cm. or smaller, folded in envelope 30 x 24 cm.
Bibliography:	Includes bibliographical references.